5265818168 has 128 divisors (see below), whose sum is σ = 11399270400. Its totient is φ = 2261952000.

The previous prime is 5265818147. The next prime is 5265818171. The reversal of 5265818168 is 8618185625.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22032593 + ... + 22032831.

It is an arithmetic number, because the mean of its divisors is an integer number (89056800).

Almost surely, 2^5265818168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5265818168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5699635200).

5265818168 is an abundant number, since it is smaller than the sum of its proper divisors (6133452232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5265818168 is a wasteful number, since it uses less digits than its factorization.

5265818168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 489 counting only the distinct ones).

The product of its digits is 921600, while the sum is 50.

The square root of 5265818168 is about 72565.9573629398. The cubic root of 5265818168 is about 1739.7571079460.

The spelling of 5265818168 in words is "five billion, two hundred sixty-five million, eight hundred eighteen thousand, one hundred sixty-eight".